" Write the least value of "cos^(2)theta+sec^(2)theta

Write the least value of cos^2theta+sec^2thetadot

If tan theta =(1)/(sqrt(5)), " write the value of " (("cosec"^(2)theta-sec^(2)theta))/(("cosec"^(2)theta+sec^(2)theta)).

Write the value of (1-sin^(2)theta)sec^(2)theta.

Find -the least value of sec^2theta+cos^2theta

The minimum value of cos^(2)theta+sec^(2)theta is

What is the least value of tan^(2)theta+cot^(2)theta+sin^(2)theta+cos^(2)theta+sec^(2)theta+cosec^(2)theta

The least value of 2sin^2theta+3cos^2theta is

The least value of 2sin^2theta+3cos^2theta is

The least value of 3sin^2theta+4cos^2theta is:

The least value of 3sin^2theta+4cos^2theta is